Unconsolidated Entities - Summary of Strategic Capital Revenues Recognized in Consolidated Statements of Income Related to Co-Investment Ventures (Detail) - Unconsolidated Co-Investment Ventures [Member] - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Schedule Of Equity Method Investments [Line Items]
Recurring fees		$ 96,845	$ 76,173	$ 187,882	$ 150,860
Transactional fees		18,199	12,092	39,077	32,052
Promote revenue	[1]	10,636	227,830	12,251	228,421
Total strategic capital revenues from unconsolidated co-investment ventures	[2]	$ 125,680	$ 316,095	$ 239,210	$ 411,333

[1] Includes promote revenue earned from our unconsolidated co-investment venture in the U.S. in June 2020.

[2] These amounts exclude strategic capital revenues from other ventures.